Analysis

  • max time kernel
    78s
  • max time network
    47s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    01-07-2022 06:45

General

  • Target

    ba9c93f3cd75fd57d38bdefb00cec30aa447a7eddc8f92b9b759c5edc18cc979.exe

  • Size

    127KB

  • MD5

    5f4dafd68c558d8e3130e3b46cce9137

  • SHA1

    21a898f1ea60d6b379c3797dbdbcc396e25f72f1

  • SHA256

    ba9c93f3cd75fd57d38bdefb00cec30aa447a7eddc8f92b9b759c5edc18cc979

  • SHA512

    f9820fa94089e7b05f4f5b2fca236f4ba5b98725999224efc3a066493405dad78723d32021328bb99d272e637ec2e2b727dd23d0927aee61094ec0e5a80a0202

Malware Config

Signatures

  • NetWire RAT payload 3 IoCs
  • Netwire

    Netwire is a RAT with main functionalities focused password stealing and keylogging, but also includes remote control capabilities as well.

  • Executes dropped EXE 1 IoCs
  • Modifies Installed Components in the registry 2 TTPs 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ba9c93f3cd75fd57d38bdefb00cec30aa447a7eddc8f92b9b759c5edc18cc979.exe
    "C:\Users\Admin\AppData\Local\Temp\ba9c93f3cd75fd57d38bdefb00cec30aa447a7eddc8f92b9b759c5edc18cc979.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1992
    • C:\Users\Admin\AppData\Roaming\Install\Host.exe
      "C:\Users\Admin\AppData\Roaming\Install\Host.exe"
      2⤵
      • Executes dropped EXE
      • Modifies Installed Components in the registry
      PID:1952

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Discovery

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Roaming\Install\Host.exe
    Filesize

    127KB

    MD5

    5f4dafd68c558d8e3130e3b46cce9137

    SHA1

    21a898f1ea60d6b379c3797dbdbcc396e25f72f1

    SHA256

    ba9c93f3cd75fd57d38bdefb00cec30aa447a7eddc8f92b9b759c5edc18cc979

    SHA512

    f9820fa94089e7b05f4f5b2fca236f4ba5b98725999224efc3a066493405dad78723d32021328bb99d272e637ec2e2b727dd23d0927aee61094ec0e5a80a0202

  • \Users\Admin\AppData\Roaming\Install\Host.exe
    Filesize

    127KB

    MD5

    5f4dafd68c558d8e3130e3b46cce9137

    SHA1

    21a898f1ea60d6b379c3797dbdbcc396e25f72f1

    SHA256

    ba9c93f3cd75fd57d38bdefb00cec30aa447a7eddc8f92b9b759c5edc18cc979

    SHA512

    f9820fa94089e7b05f4f5b2fca236f4ba5b98725999224efc3a066493405dad78723d32021328bb99d272e637ec2e2b727dd23d0927aee61094ec0e5a80a0202

  • \Users\Admin\AppData\Roaming\Install\Host.exe
    Filesize

    127KB

    MD5

    5f4dafd68c558d8e3130e3b46cce9137

    SHA1

    21a898f1ea60d6b379c3797dbdbcc396e25f72f1

    SHA256

    ba9c93f3cd75fd57d38bdefb00cec30aa447a7eddc8f92b9b759c5edc18cc979

    SHA512

    f9820fa94089e7b05f4f5b2fca236f4ba5b98725999224efc3a066493405dad78723d32021328bb99d272e637ec2e2b727dd23d0927aee61094ec0e5a80a0202

  • memory/1952-57-0x0000000000000000-mapping.dmp
  • memory/1992-54-0x0000000075381000-0x0000000075383000-memory.dmp
    Filesize

    8KB